sci Zone LINKSTAR-STX3 User Manual
! ! Version 1.00 LinkStar-STX3-ME
Users Manual!
Holland, Michigan — Rio Rancho, New Mexico
!
25!!
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6 What%Makes%Your%Satellite%Transmitter%Tick?%The%Hardware%of%the%
LinkStar-STX3-ME/
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The basic elements of a design utilizing the LinkStar-STX3-ME simplex transmitter are shown in Figure 6
below.
Figure 6. The LinkStar-STX3-ME
The main components of the LinkStar-STX3-ME are:
• The Industrial BeagleBone Black (rev C)
• The LinkStar-STX3 satellite radio module
• TW2500 Antenna (for the LinkStar-STX3 satellite radio module)
• The sci_Zone GPS Interface cape
• The Adafruit Ultimate GPS Breakout
• GPS External Active Antenna with SMA to uFL/u.FL/IPX/IPEX RF adapter cable
• 5V 2A AC-DC Power Adapter
! ! Version 1.00 LinkStar-STX3-ME
Users Manual!
Holland, Michigan — Rio Rancho, New Mexico
!
26!!
6.1 Mechanical/
Both the LinkStar-STX3 satellite radio module and the sci_Zone GPS Interface cape are
capes that stack on the Industrial BeagleBone Black headers. The dimensions and
mounting hole location of the Industrial BeagleBone Black are shown in Figure 7. The
entire system is mounted inside a “BUD Box”; Figure 8 shows the dimensions of the
case.
The antenna used for the LinkStar-STX3-ME is the Tallysman™ TW2500 magnetic
mount antenna with 50 cm cable with SMA male connector. Figure 9 shows the
dimensions of the TW2500 satellite radio antenna. For applications above 50,000 feet
the user is recommended to use the Tallysman™ TW1500 antenna which can be
ordered from sci_Zone.
The Adafruit Ultimate GPS Breakout dimensions can be found in Figure 10. This GPS
can be used for high altitude balloon applications to over 100,000 feet. For advanced
aviation and space applications of the LinkStar-STX3 the user is required to upgrade to
the NovAtel™ OEM 719 GPS which is sold by sci_Zone. Special certifications are
required to use the OEM 719 GPS in space and will require the permission of the U.S.
government.
The GPS External Active Antenna is a magnetic mount active antenna with 5m cable.
The dimensions can be found in Figure 11.
Size (circuit boards): 3.5” x 2.15” (86.36mm x 53.34mm)
Maximum Height (circuit boards):
Size (case): 6.632” x 4.764” x 3.158” (168.5mm x 121.0mm x 80.21mm)
Mass (with antennas):
! ! Version 1.00 LinkStar-STX3-ME
Users Manual!
Holland, Michigan — Rio Rancho, New Mexico
!
27!!
Figure 7. Industrial BeagleBone Black board dimensions.
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